Actuator for an aircraft flight control surface
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United States of America Patent
Stats
-
Jul 4, 2000
Grant Date -
N/A
app pub date -
Dec 8, 1998
filing date -
Dec 8, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An actuator for a primary control surface of an air-craft, the actuator comprising at least one motor of the vibration type mounted in series with at least a second motor which is a piezoelectric, electrostrictive, or magnetostrictive actuator of the direct type, and further including control means causing one or both of the motors to operate in such a manner that the second motor drives movements of the control surface of the type used for stabilizing the aircraft, while the vibration drives movements of greater amplitude.
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